WETTING PROPERTIES OF POLYACETYLENE FILMS.

H. Schonhorn, G. L. Baker, F. S. Bates

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

The wetting characteristics of free-standing polyacetylene films were determined by using a standard series of wetting liquids. As-prepared films of cis-polyacetylene were found to contain a significant polar contribution to the surface free energy, which became nearly entirely dispersive upon thermal isomerization to the trans form. Both isomeric forms are characterized by a critical surface tension of wetting gamma //c approx. 51 mN/m, which is considerably higher than that normally obtained from organic polymers. These results have been interpreted with respect to surface oxidation and tested by examining an oxidized film.

Original languageEnglish (US)
Pages (from-to)1555-1562
Number of pages8
JournalJournal of polymer science. Part A-2, Polymer physics
Volume23
Issue number8
StatePublished - Aug 1 1985

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